function radioChange() {
    if(document.form1.kk.checked == true) {
      document.form1.s_name.disabled = false;
      document.form1.s_name.style.backgroundColor='#FFFFFF';
	  document.form1.s_furi.disabled = false;
      document.form1.s_furi.style.backgroundColor='#FFFFFF';
	  document.form1.s_address.disabled = false;
      document.form1.s_address.style.backgroundColor='#FFFFFF';
	  document.form1.s_tel.disabled = false;
      document.form1.s_tel.style.backgroundColor='#FFFFFF';
    } else  {
      document.form1.s_name.disabled = true;
      document.form1.s_name.style.backgroundColor='#eeeeee';
	  document.form1.s_furi.disabled = true;
      document.form1.s_furi.style.backgroundColor='#eeeeee';
	  document.form1.s_address.disabled = true;
      document.form1.s_address.style.backgroundColor='#eeeeee';
	  document.form1.s_tel.disabled = true;
      document.form1.s_tel.style.backgroundColor='#eeeeee';
    } 
  }